Question

Need Not To Know

Answer 1

need not to know 是不正确的.因为need 用法如下：

1.实义动词.

need to do sth

如：we need to go．

do／doesnot need to do sth．

如：we don’t need to go．

2． 情态动词.通常用在否定句中.

needn’t do sth．

如：we needn’t go ．

可能本来想表达的是不需要知道吧!